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Physics

Physics
In general, which is the cause of a land breeze?

Temperature
None of these
Pressure
Heat

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Physics
The GPS device in an automobile uses which communication channel?

Satellite
Radio frequency
Microwave
Infrared

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Physics
A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be

R/5
5 R/4
4 R/5
5 R

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Physics
. . . . . . . . . exerts a force on anything that has an electric charge.

Inductive field
Electrostatic force
Electric field
All of these

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Physics
Which one of the following has the highest value of specific heat?

Copper
Lead
Glass
Water

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Physics
What is the size of Electron as comapared to Proton and Neutron?

1/1236
8402
1/355
1/1836

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